You might want to read a small howto I've created as documentation to my 
group project at a university 
(http://www.eti.pg.gda.pl/katedry/ksa/pracownicy/Stanislaw.Raczynski//embedded_gentoo_on_kb92xx_howto.pdf), 
sections 2, 3 and appendices. Perhaps it will give you some ideas. 
Beware though, it is incomplete and a bit chaotic.

Best wishes,
Stanislaw Raczynski

Lutz Schönemann wrote:

> Hi,
> I've problems building an working Cross-Compiler to use it for an i386 
> embedded system. Until now I've tried the following two things:
>
> - Using crossdev:
> The crossdev script worked fine and installed the whole toolchain 
> (stage4: binutils, gcc, linux-headers, etc.). The trouble is that when 
> I want to merge a packege with this compiler (e.g.: 
> CFLAGS="-arch=i386" ROOT=/tmp/cross/ CHOST=i386-unknown-linux-gnu 
> emerge sys-boot/syslinux) it ends up with the message that the 
> compiler is unable to build executables.
>
> - Building toolchain manually:
> I tried to build a crosscompile-toolchain manually following this HOWTO:
> http://dev.gentoo.org/~vapier/CROSS-COMPILE-HOWTO
> I have done every step and no errors until step 5. The merge process 
> terminated with this message:
>
> grep: ${top_srcdir}/../gcc/version.c: No such file or directory
> /usr/i386-unknown-linux-gnu/bin/ld: crt1.o: No such file: No such file 
> or directory
> collect2: ld returned 1 exit status
> configure: error: unknown endianess - sorry
>
> All the Warnings/Errors I have pasted at: 
> http://nopaste.easy-coding.de/?id=404
>
>
> Thanks for help
>
> Lutz Schönemann
>

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